simple harmonic motion

What is Simple Harmonic Motion (SHM)?

• Any periodic motion

• To and fro motion of an object

• Motion of a pendulum

• None of the above

Which of the following is an example of oscillatory motion but not necessarily SHM?

• Oscillation of a simple pendulum

• Vibrating strings of musical instruments

• Motion of planets around the sun

• Alternating current

What is the equation for the restoring force in a simple harmonic motion?

• F = kx

• F = -kx

• F = ma

• F = mω²x

What is the condition for two waves to be in phase?

• They have the same frequency and amplitude

• They have the same frequency and phase difference of 0 degrees

• They have the same amplitude and wavelength

• 
  They have the same wavelength and speed

What is the fundamental frequency of a vibrating stretched string fixed at two points?

• ν1 = 2ν2

• ν1 = 3ν2

• ν1 = 4ν2

• ν1 = ν2

What is the equation for the displacement of a particle executing SHM?

• y = a sin ωt

• y = a cos ωt

• y = a tan ωt

• y = a cosh ωt

What is the maximum velocity of a particle in SHM?

• vmax = 0

• vmax = a

• vmax = a/ω

• vmax = aω

What is the equation for acceleration in SHM?

• A = -aω²

• A = -ω²a

• A = aω²

• A = ω²a

Which type of wave is produced when a string is plucked and the waves reflect back from both ends with a change in phase?

• Longitudinal wave

• Transverse wave

• Standing wave

• Progressive wave

What is the condition for two waves to be in antiphase?

• They have the same frequency and phase difference of 0 degrees

• They have different frequencies

• ) They have the same frequency and phase difference of 180 degrees

• They have opposite amplitudes